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YAMATOMI SANGYO KK

Overview
  • Total Patents
    44
About

YAMATOMI SANGYO KK has a total of 44 patent applications. Its first patent ever was published in 1988. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology are OOO PRED KONTAKT 1, FEIPENG WANG and VSEROSSIJSKIJ NI I T I PTITSEV.

Patent filings in countries

World map showing YAMATOMI SANGYO KKs patent filings in countries
# Country Total Patents
#1 Japan 44

Patent filings per year

Chart showing YAMATOMI SANGYO KKs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Koyama Minoru 39
#2 Koyama Tomiji 4
#3 Koyama Ko 1

Latest patents

Publication Filing date Title
JP2013052517A Method for producing block for retaining wall and block for retaining wall
JP2003020627A Concrete block for repair
JP2003003494A Retaining wall using constructing concrete blocks
JP2002138500A Concrete block for construction and retaining wall
JP2002061208A Concrete block for construction
JP2002061209A Concrete block wall
JP2001329549A Concrete block for construction and retaining wall using the same
JP2001123466A Concrete block for retaining wall
JP2001098566A Concrete block for retaining wall
JP2001098569A Retaining wall concrete block and retaining wall
JP2000038733A Vegetating concrete block
JPH11322255A Concrete product lifting method
JP2000239091A Apparatus for producing burned and carbonized organic fertilizer and burned and carbonized organic fertilizer
JP2000110144A Concrete block
JP2000080627A Concrete block for construction
JPH11323969A Concrete block for retaining wall
JPH11303108A Permanent formwork block for wall
JPH11190002A Water permeable paving concrete block
JPH11181803A Concrete block for retaining wall and retaining wall by the block
JPH11181802A Concrete block for retaining wall and retaining wall by the block